Wireless charger



FIG. 1 is a front, top, and left side perspective view of a wireless charger showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a front elevational view thereof;

FIG. 7 is a rear elevational view thereof;

FIG. 8 is a front, top,. and left perspective view of the wireless charger shown in a first environment of use, when coupled to a tablet computer that forms no part of the claimed design; and,

FIG. 9 is a front, top, and left perspective view of the wireless charger shown in a second environment of use, when coupled to a laptop computer that forms no part of the claimed design.

The broken lines in the drawings are for the purpose of illustrating portions of the wireless charger and environment that form no part of the claimed design. 

CLAIM The ornamental design for a wireless charger, as shown and described. 